﻿#include <stdio.h>
union Un1
{
	char c[5];
	int i;
};
union Un2
{
	short c[7];
	int i;
};
int main()
{
	//下⾯输出的结果是什么？
	printf("%d\n", sizeof(union Un1));
	printf("%d\n", sizeof(union Un2));
	return 0;
}